Mfundo yoyezera ma multihead weigher ndi mawonekedwe ake aukadaulo otsimikizira rotary metrological

Wolemba: Smartweigh-Multihead Weighter

Kusintha kwaukadaulo pakutsimikizira kwa rotary metrological ndi mfundo yake yoyezera mitu yambiri 1. Zomwe zikuchitika masiku ano njira yotsimikizira ma metrological makina osakanikirana a rotary 1.1 Njira yotsimikizira ya rotary metrological imagwiritsidwa ntchito potsimikizira mayendedwe azinthu zopangira ulusi monga zomangira zokongoletsera, njere. , mafuta, chakudya, migodi, ndi zina zotero, kapena posintha zokometsera pa intaneti. . Zomwe zimawonekera kwambiri ndi izi: masikelo a lamba wamagetsi, ma flowmeters, masikelo a nyukiliya, ndi masikelo ozungulira amagudumu. Njira yotsimikizira muyeso ili ndi mawonekedwe ake, koma zoperewera zake ndi zazikulu kwambiri.

Ukadaulo wokonza lamba wamagetsi umayambitsidwa mwatsatanetsatane, ndipo masitepe ake ndi awa: Sikelo ya lamba wamagetsi imaphatikiza chizindikiro cha data yonyamula ndi kuchuluka kwa kusintha (kutumiza lamba wothamanga) chizindikiro cha data pagawo lonse labizinesi. (gawo loyezera) kuti mupeze mtengo wathunthu. Zolinga zosinthika. Kufotokozera mwatsatanetsatane ukadaulo wopangira lamba lamba wamagetsi Zindikirani: Kuchuluka kwa zinthu zomwe zimayenera kutulutsidwa zimasinthidwa molingana ndi liwiro la lamba wokoka ndikukoka. Kukula, katundu pa lamba woyendetsa ndi wokhazikika. Poyerekeza ndi njira zina zodyetsera, njirayi ili ndi zotsatira zabwino zenizeni za kutsimikizira kwa metrological ndi mzere.

Chiwonetsero cha mayendedwe otsimikizira muyeso wa sikelo ya lamba wamagetsi Zindikirani: Ntchito zodyetsera ndi kuyeza zimamalizidwa pa malamba awiri opatsirana motsatana. 1.2 Njira yotsimikizira muyeso wa rotary imagwiritsidwa ntchito pamakina osakanikira osalekeza. zida, chosakanizira cha konkire chozungulira, chosakanizira cha phula rotary. Pankhani ya kutsimikizika kwa metrological, pakadali pano, zida zamtunduwu sizingasinthidwe pafupipafupi. Choncho, njira yosakanikirana yozungulira siikondedwa ndi makasitomala ambiri, chomwe ndi chimodzi mwa zifukwa.

Zisonyezero za sayansi zingasonyeze kuti kusakaniza ndi kukonza njira zomwe zimaganiziridwa ndi njira ziwiri zotsimikizira zoyezera zimakhala ndi malo awo omwe angagwiritsire ntchito, ndipo kugwiritsa ntchito kusakaniza kozungulira sikuyenera kusokonezedwa ndi zoperewera zamakono. Pakadali pano, mdziko lathu, makina osakaniza ozungulira amayezedwa ndi njira ya voliyumu kapena sikelo ya lamba wamagetsi / sikelo yozungulira. M'zaka za m'ma 1970, teknoloji yosakanikirana yosakanikirana inayambika kuchokera ku Ulaya kuti ikhale ndi mapangidwe. Mpaka pano, zakhala chonchi, ndipo palibe kusintha kuyambira pachiyambi mpaka kumapeto. M'malo mwake, njira ziwirizi zotsimikizira zoyezera zimatha kukwaniritsa zolondola kwambiri pamagwiritsidwe aku Europe. Mwachitsanzo, sikelo yotumizira lamba wa Schenck ku France ili ndi zokometsera zolondola za 2%.

Koma m'dziko langa, sizili bwino, chifukwa zimatengera kuletsa kwa mafakitale oyambira monga makina opanga makina ndi zida ndi zida m'dziko langa. Panthawi imeneyi, kuyeza ndi kutsimikizira kulondola kwa miyeso ya lamba yamagetsi yomwe imagwiritsidwa ntchito pamsewu m'dziko langa nthawi zambiri imakhala pafupifupi 5%, yomwe siili yosiyana ndi kutsimikizika kwa kuyeza kwa mphamvu, komanso kudalirika kwanthawi yayitali kumakhala kofooka. awiri. Kupitiriza Kuyeza Kusintha——Multihead weigher (Chingerezi Loss-in-weight) ya masikelo osiyanitsira mankhwala (opanda kulemera) idagwiritsidwa ntchito koyamba pantchito yonse yopanga mafakitale m'ma 1990s kuti atsimikizire mosalekeza za metrological.

Multihead weigher pang'onopang'ono imalowa m'malo mwa sikelo lamba wamagetsi, masikelo ozungulira, ngakhale masikelo owunjika. Monga njira yatsopano yotsimikizira muyeso, imayikidwa pang'onopang'ono kuzinthu zochulukirapo. 2.1 mfundo Basic: Tengani chidebe choyezera ndi gulu chakudya monga lonse sikelo thupi, mosalekeza chitsanzo ukonde kulemera deta chizindikiro cha sikelo thupi malinga ndi gulu chida kapena mapulogalamu a chapamwamba kompyuta, ndi kuyeza kusintha chiŵerengero cha ukonde. kulemera mu nthawi ya unit monga liwiro la nthawi yomweyo Kuthamanga kwathunthu, ndiyeno kuthetsedwa mwaukadaulo molingana ndi ukadaulo wosefera wa zida zosiyanasiyana ndi mapulogalamu, zitha kugwiritsidwa ntchito ngati chandamale chosokoneza.“enieni okwana otaya”. Kupeza kwa kuyenda konseku ndikovuta kwambiri ndipo ndiye maziko a kuyeza kolondola ndi kutsimikizira kwa woyezera mitu yambiri.

Njira yachikale yafotokozedwa mwatsatanetsatane pachithunzichi: njira yotsimikizira kuyeza kwa ma multihead weigher, kenako FC imabwezeretsanso ma aligorivimu okhathamiritsa molingana ndi lingaliro la PID, imachita kuwerengera kwa kuchuluka kwakuyenda pafupi ndi cholinga chonse, ndi zotuluka. chizindikiro cha data chosinthira kuti mugwiritse ntchito choyambira chofewa ndi ma feed ena onjenjemera. gawo lowongolera. 2.2 Kugwiritsiridwa ntchito kwapadera kwa chizindikiro chosiyana cha multihead weigher: Kuchokera pa mfundo yoyambira, zitha kuwoneka kuti sizingavulazidwe ndi kusintha kwa zida zamakina za thupi la sikelo ndi kapangidwe ka chakudya. Imangoyezera cholakwika cha kulemera kwaukonde (kulemera kwa kusiyana), ndipo Poyerekeza ndi njira yanthawi zonse yotsimikizira zama metrological, zabwino zake ndizodziwikiratu. Pamene cholinga chowongolera ndicho kuyenda konse (t/h, kg/mphindi), ndipo zopangira zili ndi zoyendetsa bwino, ndipo kutsimikizika kwa metrological kumayenera kukhala kokwezeka, njira yopanda malire ingagwiritsidwe ntchito ngati dongosolo labwino kwambiri la metrological. kutsimikizira.

2.2.2 Njira yopangira ma multihead weigher: Njira yopangira multihead weigher 2.2.3 Nkhani zomwe ziyenera kutsatiridwa pakupanga mapulani a multihead weigher, zinthu zomwe zimakhudza kulondola: multihead weigher ili ndi mawonekedwe a static data scale ndi dynamic scale. . Choncho, mu dongosolo la mapangidwe Mapulogalamu a System, amatchula: 1. Njira yoyenera yoyendera maulendo nthawi zambiri imakhala 60% mpaka 70% ya mphamvu zoyendera zoyendera pa ntchito yapadera. Ngati kuyankhulana ndi kusinthana liwiro kusintha ntchito ntchito, ndi bwino kuyankha kupsinjika pafupipafupi 35-40Hz. Izi zimatsimikizira kusintha kosiyanasiyana.

Zilinso chifukwa cha kudalirika kosauka kwa pulogalamu yamapulogalamu pamene mtengo wamayendedwe ndi wotsika kwambiri. 2. Muyezo wamtundu wa sensa ndi wochepa. Mwanjira ina, sensa imagwiritsanso ntchito 60% ~ 70% ya miyeso yake molingana ndi chilinganizo. Chizindikiro cha data chimakhala ndi kusintha kosiyanasiyana, komwe kumapindulitsa kwambiri kukonza kulondola. 3. Dongosolo la kamangidwe ka makina amayenera kuwonetsetsa kuti zopangira zikuyenda bwino, ndikuwonetsetsanso kuti nthawi yodyetsa ndi yochepa, komanso kudyetsa sikuyenera kuchulukirachulukira. Nthawi zambiri, zimanenedwa kuti kudyetsa kuyenera kuchitika mphindi 5-10 zilizonse.

Chida chotumizira cha zida zothandizira chikuyenera kuwonetsetsa kugwira ntchito kokhazikika komanso mawonekedwe abwino a mzere. 2.2.4 Chiyembekezo chakugwiritsa ntchito: Ndi chitukuko chofulumira cha makina owongolera zida zamagetsi, choyezera chamitundu yambiri chimatengera kusankha kwa matekinoloje atsopano, ndipo kulondola kwa kutsimikizika kwa metrological kumawonjezeka kuchokera ku 0.3% mpaka 0.5%. Chinsinsi chaukadaulo watsopanowu ndikugwiritsa ntchito masensa owonetsa kulemera kwa digito.

2.2.4.1 Kugwiritsa ntchito sensa yoyezera mawonedwe a digito: Kuti muphatikize bwino kufunikira kwa kuyeza kosunthika komanso kolondola, ndikofunikira kwambiri kugwiritsidwa ntchito ngati pulogalamu yamakina ofunikira pakuyezera zida. Makamaka pamalo omwe dongosolo liyenera kukhala lanzeru, deta yanthawi yomweyo kapena yosalunjika ya sensor ndiyofunikira. Panthawiyi, kusatsimikizika kwa muyeso wolondola komanso muyeso wolondola nthawi zambiri zimakhala zosiyana, ndipo zimakhala zovuta kuziganizira ziwirizi. Mkhalidwe wapadera umasankhidwa ngati kunyengerera. M'makampani oyezera, masensa ambiri amtundu wa digito amapangidwa ndikugwiritsidwa ntchito m'dziko langa panthawiyi, ndipo kutuluka kwa chizindikiro cha pulse kumakhala kochepa.

Kutenga sensa yolemera yokhala ndi kutulutsa kwakukulu kokwanira komanso mfundo yoyambira yamphamvu yolimbana ndi mphamvu monga chitsanzo, kutulutsa kwakukulu ndi 30-40mV. Choncho, chizindikiro cha deta chimakhudzidwa mosavuta ndi maulendo a wailesi, ndipo mtunda wotumizira wa chingwe umakhalanso waufupi, nthawi zambiri mkati mwa mamita khumi. Muzotengera zoyezera zida (silo sikelo batching sikelo), zida zoyezera nsanja kapena mlatho wamagetsi (sikelo yamagetsi yamagetsi kapena sikelo ya njanji) pogwiritsa ntchito masensa angapo motsatizana, pulogalamu ya data ingagwiritsidwe ntchito kumaliza.“kudzikonza”.

Izi ndichifukwa cha pulogalamu yamakina ambiri a digito sensor system, palibe vuto lofananira. Makasitomala amalowa mwatsatanetsatane adilesi, kulemera ndi kukhudzika kwa sensa iliyonse, ndipo sikelo imatha kukhala yokhayokha.“ngodya zinayi”kapena“m'mphepete”Moyenera, palibe chifukwa chosinthira kalata mobwerezabwereza. Mu kayeseleledwe kachitidwe, masensa angapo atalumikizidwa palimodzi, mawonekedwe a sensa iliyonse sangathenso kusiyanitsidwa ndi ena. Mukakonza, kulemera koyenera kuyenera kutulutsidwa pa sensa iliyonse ndipo chogawa magetsi mu terminal chiyenera kugwiritsidwa ntchito. Chitani zosintha.

Chifukwa pali ma t-mayeso ophatikizidwa posintha, amabwerezedwa kangapo. Mu pulogalamu ya data system, sensor iliyonse imaloledwa kufufuzidwa payekha. Choncho, nthawi yokonza mtengo wonse wa pulogalamu ya pulogalamu yokhala ndi sensa ya digito ndi 1/4 yokha ya machitidwe ofananitsa.

Zitha kuchitika pogwiritsa ntchito pulogalamu ya data system“wodzizindikira”, ndiko kuti, kutuluka kwa pulogalamu ya matenda kumayendera mosalekeza ngati chizindikiro cha deta cha sensa iliyonse chatha, ngati zotsatira zadutsa kwambiri, ndi zina zotero. , ndipo makasitomala angagwiritse ntchito makiyi pa gulu lowongolera kuti apeze sensa iliyonse, kuzindikira chomwe chimayambitsa vuto payekha ndikuchita zovuta zowonongeka. Kuzindikira koweruza kotereku ndi ntchito yochotsa zolakwika wamba mwachiwonekere ndi mwayi wofunikira kwa makasitomala, ndipo ndizovuta kuyiwala ndikuchepetsa ndalama pakuyerekeza kwa pulogalamu ya analogi sensa.

M'makampani oyezera, kukhazikitsidwa kwa SPWM ya pulogalamu yoyeserera ya sensor system ndi 16 bits, ndipo pali 50,000 yowerengera; pomwe mawonekedwe azithunzi a sensa iliyonse mu pulogalamu ya data ndi 20 Bit, pali 1,000,000 zowerengera zomwe zilipo. Chifukwa chake, pulogalamu yamapulogalamu yokhala ndi masensa 4 a digito imatha kupanga mawonekedwe azithunzi 4,000,000. Ubwino wa mtundu uwu wa pixel wapamwamba ndi woyenera makamaka kumalo komwe kulemera kwa sikelo ndi yayikulu kwambiri komanso kulemera kwa ukonde wa chinthu choyezedwa ndi chaching'ono.

Mwachitsanzo: mu zipangizo zoyezera zokometsera, nthawi zina mtundu wina wa zipangizo mu Chinsinsi chachinsinsi zimangowerengera pang'ono, koma zofunikira zolondola zimakhala zapamwamba kwambiri. Izi zimakhalanso zovuta kukwaniritsa mumayendedwe achikhalidwe. atatu. Kugwiritsa ntchito chosakaniza chozungulira komanso momwe msika ukuyendera Chifukwa kuyeza ndi kutsimikizira kwa chosakaniza chozungulira ku China kumakhalabe m'njira yachikhalidwe, chiyembekezo chogwiritsa ntchito malonda ndi kukwezedwa kwa multihead weigher chidzakhala chotakata kwambiri. , Kusakaniza kosalekeza kwa phula kumakhala ndi kusintha kosokoneza, ndipo kuwongolera kolondola kwa kayendedwe kathunthu kungapangitse kusakaniza koyenera kwambiri.

Chifukwa chosakanizira chozungulira chimakhala ndi mawonekedwe osavuta komanso otsika mtengo wokonza, pomwe chiŵerengero cha kusakaniza kwazinthu chikayendetsedwa mosamalitsa, chidzasintha momwe msika ulili wochepa wa chosakaniza chozungulira. Makamaka, makina ochulukirachulukira opanga makina ndi zida zomwe zimafunikira m'magawo aukadaulo wamisewu ndi magetsi amadzi zili ndi tanthauzo labwino, ndipo choyezera chamitundu yambiri ndichothandiza kwambiri pakuwongolera kutsimikizika kwa metrological.

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